Home / 16,617.18-22,931.37-9,165.18

Finding the Fourth Proportional to 16,617.18, 22,931.37 and 9,165.18

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Solution

The fourth proportional to 16,617.18, 22,931.37 and 9,165.18 is: 12,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.18 : 22,931.37 = 9,165.18 : x
  2. Step 2: Convert to fraction form
    16,617.18/22,931.37 = 9,165.18/x
  3. Step 3: Cross multiply
    16,617.18x = 22,931.37 × 9,165.18
  4. Step 4: Simplify right side
    16,617.18x = 210,170,133.70
  5. Step 5: Solve for x
    x = 210,170,133.70/16,617.18
  6. Step 6: Final answer
    x = 12,647.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.